an indiana law that bans sex offenders from accessing sites that can be accessed by children has been overturned. the blanket ban was said to be too broad and didn't really protect kids. a district judge said the state has found strong evidence that social networking sites like facebook are a virtual playground for sexual predators to lurk. federal judges have forbidden similar laws in nebraska and louisiana. >>> they let you jump, slide, and twist and they're popping up in ski resorts across the country especially here in northern california. we're talking about terrain parks, parks in the snow. they're fun but are they safe? >> some are concerned about the design of the park and the potential for serious accidents. >> reporter: with a jump launching you as high as 90 feet in the air there's no denying it's a risky activity. but as this has taken off, we found there is little oversight over how these jumps are designed. it's a big draw for snowboarders and skiers. terrain parks are growing in popularity alongside big events like the x-games. and according to a recent survey, 90% of u